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Politics : Politics of Energy

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To: Brumar89 who wrote (8975)	6/4/2009 7:00:02 PM
From: Hawkmoon	Read Replies (2) of 86356

With over-fishing a problem and billions of people needing protein, thats a good idea There's one other consequence of declining phytoplankton levels that many people don't realize, a reduction in cloud formation. scienceagogo.com "If a lot of particles form because of isoprene oxidation, you suddenly have a lot more droplets in clouds, which tends to make them brighter," co-researcher Athanasios Nenes explained. "In addition to becoming brighter, the clouds can also have less frequent precipitation, so you might have a build-up of clouds. Overall, this makes the atmosphere cloudier and reflects more sunlight back into space." Other studies have suggested that dimethyl sulfide (DMS) - which is also emitted by phytoplankton - affects the formation of clouds by increasing the number of sulfate particles, which can absorb moisture and form cloud droplets. "Isoprene may enhance the effect of DMS by increasing the number and size of the particles while helping them to chemically attract more moisture. The impact of isoprene on atmospheric particulate matter was previously thought to be important only for terrestrial plants," Nenes said. nasa.gov Hawk

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